Atoms, Membrane Transport, Mixtures
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Atom | The smallest particle of an element that has the characteristics of that element.
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| Proton | Positively charged particle found in the nucleus of atoms. They have a mass of 1 amu.
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| Neutron | Neutrally charged particle found in the nucleus of atoms. They have a mass of 1 amu.
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| Electron | Negatively charged particle found in the space outside of the nucleus of an atom. They have a mass of 1/1,836 of a proton.
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| Element | A pure substance made up of only one kind of atom.
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| Electron Configuration | Describes the probable location of an electron associated with an atom.
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| Ion | A charged particle. In atoms, it is due to an imbalance in protons and electrons in the atom.
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| Isotopes | Atoms containing different numbers of neutrons.
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| Atomic number | Describes the number of protons in the nucleus of an atom.
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| Atomic mass number | Described the number of protons and neutrons combined in the nucleus of an atom.
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| Atomic mass | The amount of matter in a single atom.
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| Pure Substance | Material made up of only one type of atom or compound.
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| Compound | A pure substance composed of two or more elements whose composition is constant
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| Colloid | A mixture made up of medium sized solute particles which disperse indefinitely within the solute. Colloids scatter light, but they are not filterable.
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| Solution | A mixture made up of smallest solute particles. Solutions are non-filterable, do not scatter light, and do not settle out over time.
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| Suspension | A mixture made up of the largest solute particles. Particles in a suspension scatter light, settle out over time, and are filterable.
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| Organic | Refers to molecules that are the product of biological processes. They contain the element carbon (C).
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| Passive Transport | Movement of particles from high concentration to low concentration without the use of energy.
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| Active transport | Movement of particles which requires the use of energy. Proteins or other specialized surface structures are required for active transport.
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| Equilibrium | When a dynamic system reaches the point where forward and reverse reactions are occurring at the same rate. In membrane transport it is a condition when solutes are kept in balance.
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| Solute | Substance in a solution that is dissolved in a solvent.
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| Solvent | Substance in a solution that does the dissolving.
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| Osmosis | The simple diffusion of water
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| Simple Diffusion | Passive transport of solutes across a membrane without the use of surface proteins
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| Facilitated Diffusion | Passive transport of solutes across a membrane using channel proteins
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| Endocytosis | The process of taking substances into a cell by surrounding it with the cell membrane.
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| Exocytosis | The process in which vesicles in the cytoplasm fuse with the plasma membrane to release contents out of cell.
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| Metabolism | The total of all chemical reactions in an organism.
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| Respiration | The process of releasing energy from glucose with the use of oxygen. Releases 36 ATP per glucose molecule.
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| Fermentation | The process of releasing energy from glucose with the use of oxygen. Releases 2 ATP per glucose.
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| Enzyme | A substance that regulates the rate of a chemical reaction.
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Created by:
MrGross
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